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accuracy on distance of Garmin 76CSx

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rspanton

Post subject: accuracy on distance of Garmin 76CSx

Posted: Thu Aug 14, 2008 4:09 pm

normal user

Joined: Thu Apr 17, 2008 1:22 pm
Posts: 5

We hav a Garmin 76CSx and on the hikes we have noticed a discrepancy. We hike in and we get a reading of 9.74kilometers. However on the way out, over the same trail we get a total of 22.4 kilometers a difference of almost 3kilometers extra on the way out. We did have forest all the way and we us a external aerial on the backpack.Can't figure this out. any suggestions?

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Chinook

Post subject:

Posted: Thu Aug 14, 2008 8:14 pm

normal user

Joined: Fri Jan 13, 2006 2:51 pm
Posts: 1704
Location: Alberta Canada

I know you have a very good setup with the remote antenna but you should still check the tracklog for weirdness. Multipathing (signal reflection off topography, vegetation, etc.) and add distance to a tracklog.

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BobMorphew

Post subject:

Posted: Thu Aug 14, 2008 9:11 pm

normal user

Joined: Wed Aug 29, 2007 1:45 pm
Posts: 247
Location: Ontario, Canada

If you left the GPS turned ON while you were at the turn around point, you'll have accumulated at lot of random location readings. Look at your tracklog and see if there is a cluster of points at this point. Delete them and check the "new" distance.

Next time, try turning it OFF when you are stationary for an extended time.

Bob

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